To impale ones throat with ones penis during oral sex, only to force the fellater to expel their bowels; only to proceed to use the fecal matter as a means for a Slip N' Slide.
John: "Fuck man, my head hurts so bad."
Mark: "Why, man?"
John: "Because I was giving my bitch a CockMouthPoopSlide when something went horribly awry."
by Kyle Christian Is DEAD July 11, 2008
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The epitome of all immature adolescent insults as in vaginabloodfart and anuspussbubble.
I hate you, you're a Cockmouthpoopslide.
by jabiferg July 11, 2008
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When someone vomits shite out there mouth because of upsidedown colon
i cockmouthpoopslided all over my car as i was driving
by dean reeves July 7, 2008
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